A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 6150-01-215-1149
NSN 4140-01-545-4301
NSN 6150-00-288-6245
NSN 5996-01-091-9337
NSN 6220-01-310-1824
NSN 5950-01-326-0807
NSN 5895-00-346-7037
NSN 6130-01-371-2960
NSN 6150-01-304-5915
NSN 5945-01-517-3635
NSN 6130-01-459-8215
NSN 6105-01-198-3967